53108311537 has 2 divisors, whose sum is σ = 53108311538. Its totient is φ = 53108311536.

The previous prime is 53108311493. The next prime is 53108311561. The reversal of 53108311537 is 73511380135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37079738721 + 16028572816 = 192561^2 + 126604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53108311537 is a prime.

It is a super-2 number, since 2×53108311537² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53108311496 and 53108311505.

It is not a weakly prime, because it can be changed into another prime (53108311037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26554155768 + 26554155769.

It is an arithmetic number, because the mean of its divisors is an integer number (26554155769).

Almost surely, 2^53108311537 is an apocalyptic number.

It is an amenable number.

53108311537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53108311537 is an equidigital number, since it uses as much as digits as its factorization.

53108311537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 53108311537 in words is "fifty-three billion, one hundred eight million, three hundred eleven thousand, five hundred thirty-seven".